Which of the following quantities vary inversely with respect to each other
(a) Distance traveled and the taxi fare
(b) Speed of car and the time taken
(c) Number of articles and their cost
(d) Distance covered and the time taken
Answers
Step-by-step explanation:
ANSWER
(i) The number of x men hired to construct a wall and the time y taken to finish the job.
⇒ If the number of men hired is more than times required for construction wall shall be less and vice-versa.
∴ It is inverse variation.
(ii) The length xof journey by bus and price y of the ticket.
If the distance of journey is more then cost of ticket will be more and vice-versa.
∴ It is direct variation.
(iii) Journey (x km) undertaken by a car and the petrol (y liters) consumed by it.
If the distance of journey is more then petrol required will also more and vice-versa.
∴ It is direct variation.
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Answer:
D) Distance covered and the time taken
Step-by-step explanation:
because you know the distance is inversely proportional to time